that's the same unit that killed osama bin laden. >>> she wanted to see a rhino up close. so a woman at the denver zoo made an extra $60 for a special meet and greet. but the animal wasn't on board, not as friendly. he attacked her, biting her finger when she reached out to feed it. >> he's not in trouble. we do not believe this was an aggressive action. i think this was just a very terrible, unfortunate accident. >> gretchen: no word on her condition this morning. the denver zoo has suspended its rhino meet and greet program. i guess it's a good idea. >>> we showed you the video. a woman gets called on stage to sing a duet with kristen chenowith. little did kristen know the fan could really belt it out. ♪ ♪ >> oh, sing it, sing it! >> gretchen: we just found out that fan who happens to be a vocal coach was just invited back to the stage. the hollywood bowl asking her to perform again next month. you never know, eric. you've got to be in the right place at the right time. >> eric: you know why the rhino bit the lady's finger off? the zoo charged 60 bucks. the rhino is